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Severe Thunderstorm Watch 64
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WW0064 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
High Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 64
   NWS STORM PREDICTION CENTER NORMAN OK
   400 PM CDT FRI MAR 29 2013
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          WESTERN OKLAHOMA
          WESTERN AND NORTHWEST TEXAS
   
   EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 400 PM UNTIL
   1100 PM CDT.
   
   HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
   STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES NORTH OF
   CLINTON OKLAHOMA TO 50 MILES SOUTHEAST OF BIG SPRING TEXAS.  FOR
   A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU4).
   
   REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
   FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
   AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
   THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
   AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
   DO PRODUCE TORNADOES.
   
   DISCUSSION...TSTMS EXPECTED TO FORM IN THE NEXT HOUR OR SO OVER
   PARTS OF THE TX S PLNS...THE TX LOW ROLLING PLNS...AND NW TX AS
   ASCENT ASSOCIATED WITH NM UPR IMPULSE CONTINUES ESEWD. SOME STORMS
   MAY ARISE WITHIN EXISTING ACCAS/WAA FIELD DOWNSTREAM FROM NM
   SYSTEM...WHILE OTHERS ARISE ALONG DIFFUSE DRY LINE/LEE TROUGH
   SEGMENTS NOW EDGING E TOWARD THE LBB AREA. FARTHER NE...OTHER STORMS
   MAY FORM ALONG DIFFUSE FRONT EXTENDING ENE FROM THE SRN TX PANHANDLE
   INTO NW OK.
   WHILE WNWLY DEEP SHEAR WILL REMAIN FAIRLY MODEST /AROUND 35
   KTS/...UNIDIRECTIONAL CLOUD-LAYER FLOW AND STEEP MID LVL LAPSE RATES
   SHOULD PROMOTE HAIL PRODUCTION GIVEN PERSISTENT LOW-LVL MOISTURE
   INFLOW. AND...GIVEN EXPECTED CONCENTRATION OF
   CONVECTION...CONSOLIDATION OF STORM COLD POOLS MAY SUPPORT EVOLUTION
   INTO ONE OR TWO MCSS WITH A RISK FOR LOCALLY DMGG WIND/HAIL INTO
   TNGT.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
   MOTION VECTOR 29020.
   
   
   ...CORFIDI
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